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<FONT color="green">001</FONT>    package net.jmatrix.eproperties;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.net.*;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.*;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import net.jmatrix.eproperties.cache.*;<a name="line.7"></a>
<FONT color="green">008</FONT>    import net.jmatrix.eproperties.parser.EPropertiesParser;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import org.apache.commons.logging.*;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * EProperties is the root properties object, and the core of the EProperties<a name="line.13"></a>
<FONT color="green">014</FONT>     * system.  This obect extends the java.util.Propertis object - which is a <a name="line.14"></a>
<FONT color="green">015</FONT>     * critical feature of the system.  Many many classes and projects in the <a name="line.15"></a>
<FONT color="green">016</FONT>     * Java community are initialized by methods/constructors that take <a name="line.16"></a>
<FONT color="green">017</FONT>     * Properties objects.  All of these subsystems and libraries can also be<a name="line.17"></a>
<FONT color="green">018</FONT>     * initialized using the EProperties system, because an EProperties object<a name="line.18"></a>
<FONT color="green">019</FONT>     * is a Properties object. &lt;p&gt;<a name="line.19"></a>
<FONT color="green">020</FONT>     * <a name="line.20"></a>
<FONT color="green">021</FONT>     * <a name="line.21"></a>
<FONT color="green">022</FONT>     * <a name="line.22"></a>
<FONT color="green">023</FONT>     * Need to synchronize all mutators, along with the save operations.  Don't <a name="line.23"></a>
<FONT color="green">024</FONT>     * want someone writing while we are saving.  Write, save, and notification<a name="line.24"></a>
<FONT color="green">025</FONT>     * operations should be atomic.   <a name="line.25"></a>
<FONT color="green">026</FONT>     */<a name="line.26"></a>
<FONT color="green">027</FONT>    public class EProperties extends Properties {<a name="line.27"></a>
<FONT color="green">028</FONT>       public static Log log=LogFactory.getLog(EProperties.class);<a name="line.28"></a>
<FONT color="green">029</FONT>       <a name="line.29"></a>
<FONT color="green">030</FONT>       /** When set to true, EProperties will emit some debug logging. */<a name="line.30"></a>
<FONT color="green">031</FONT>       public static boolean debug=false;<a name="line.31"></a>
<FONT color="green">032</FONT>       <a name="line.32"></a>
<FONT color="green">033</FONT>       /** This is a formatting option for the 'save' function. */<a name="line.33"></a>
<FONT color="green">034</FONT>       public static int INDENT_SPACES=3;<a name="line.34"></a>
<FONT color="green">035</FONT>       <a name="line.35"></a>
<FONT color="green">036</FONT>       /** An internal list of Key objects.  This maintains the order of the keys, <a name="line.36"></a>
<FONT color="green">037</FONT>        * useful for saving the properties object in the same order in which it <a name="line.37"></a>
<FONT color="green">038</FONT>        * was read. */<a name="line.38"></a>
<FONT color="green">039</FONT>       private List&lt;Key&gt; keys = new ArrayList&lt;Key&gt;();<a name="line.39"></a>
<FONT color="green">040</FONT>       <a name="line.40"></a>
<FONT color="green">041</FONT>       // if this properties object is nested inside of another, then the<a name="line.41"></a>
<FONT color="green">042</FONT>       // 'thisKey' is the value of the key that owns this object.  If this <a name="line.42"></a>
<FONT color="green">043</FONT>       // is the 'root' object, then thisKey is null;<a name="line.43"></a>
<FONT color="green">044</FONT>       String thisKey=null;<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>       /** List of listeners... */<a name="line.46"></a>
<FONT color="green">047</FONT>       List&lt;PropertyListener&gt; listeners = null;<a name="line.47"></a>
<FONT color="green">048</FONT>       <a name="line.48"></a>
<FONT color="green">049</FONT>       /** <a name="line.49"></a>
<FONT color="green">050</FONT>        * Root EProperties objects will have a source URL, corresponding to <a name="line.50"></a>
<FONT color="green">051</FONT>        * the file from which it was loaded.  If File A includes File B, then<a name="line.51"></a>
<FONT color="green">052</FONT>        * File A will have a sourceURL, but not a includeURL.  File B will have a <a name="line.52"></a>
<FONT color="green">053</FONT>        * sourceURL AND an includeURL.<a name="line.53"></a>
<FONT color="green">054</FONT>        */<a name="line.54"></a>
<FONT color="green">055</FONT>       URL sourceURL=null;<a name="line.55"></a>
<FONT color="green">056</FONT>       <a name="line.56"></a>
<FONT color="green">057</FONT>       /** If this properties object is included via an include processor, <a name="line.57"></a>
<FONT color="green">058</FONT>        * then includeURL is set.  This is later used when writing properties<a name="line.58"></a>
<FONT color="green">059</FONT>        * out.  If the includeURL at a particular level is non-null, then <a name="line.59"></a>
<FONT color="green">060</FONT>        * rather than writing the actual properties, it writes the include<a name="line.60"></a>
<FONT color="green">061</FONT>        * url.  For example<a name="line.61"></a>
<FONT color="green">062</FONT>        * foo=[http://bar.com/baz.properties]<a name="line.62"></a>
<FONT color="green">063</FONT>        */<a name="line.63"></a>
<FONT color="green">064</FONT>       String includeURL=null;<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>       /** Parent, if this object has a parent. */<a name="line.66"></a>
<FONT color="green">067</FONT>       EProperties parent = null;<a name="line.67"></a>
<FONT color="green">068</FONT>       <a name="line.68"></a>
<FONT color="green">069</FONT>       /** */<a name="line.69"></a>
<FONT color="green">070</FONT>       static CacheManager cacheManager=CacheManager.getInstance();<a name="line.70"></a>
<FONT color="green">071</FONT>       <a name="line.71"></a>
<FONT color="green">072</FONT>       /** lastModification is a unique number indicating the state of the source<a name="line.72"></a>
<FONT color="green">073</FONT>        * at the last time load() was called.  Now - in the case of a File URL, <a name="line.73"></a>
<FONT color="green">074</FONT>        * this will simply be the last modification time.  &lt;p&gt;<a name="line.74"></a>
<FONT color="green">075</FONT>        * <a name="line.75"></a>
<FONT color="green">076</FONT>        * This property is used to determine if the underlying property store <a name="line.76"></a>
<FONT color="green">077</FONT>        * has changed - ie, has the file, or http url, or database been modified, <a name="line.77"></a>
<FONT color="green">078</FONT>        * requiring a reload. &lt;p&gt;  <a name="line.78"></a>
<FONT color="green">079</FONT>        * <a name="line.79"></a>
<FONT color="green">080</FONT>        * However, in a case <a name="line.80"></a>
<FONT color="green">081</FONT>        * where properties are in a database, we don't modification time.  So an <a name="line.81"></a>
<FONT color="green">082</FONT>        * alternate method may be chosen.  This could be as simple as a the hashcode<a name="line.82"></a>
<FONT color="green">083</FONT>        * of a string composed of the concatenation of all the keys and values. <a name="line.83"></a>
<FONT color="green">084</FONT>        * How expensive this is depends on the relative proximity of the database, <a name="line.84"></a>
<FONT color="green">085</FONT>        * and the number of properties.  If such a calculation is expensive, <a name="line.85"></a>
<FONT color="green">086</FONT>        * the the monitoring thread should be slowed to an appropriate rate.  <a name="line.86"></a>
<FONT color="green">087</FONT>        * */<a name="line.87"></a>
<FONT color="green">088</FONT>       static long lastModification=-1;<a name="line.88"></a>
<FONT color="green">089</FONT>       <a name="line.89"></a>
<FONT color="green">090</FONT>       /** Constructs a sub-properties object, the parent collection is passed<a name="line.90"></a>
<FONT color="green">091</FONT>        * into the constructor. */<a name="line.91"></a>
<FONT color="green">092</FONT>       public EProperties(EProperties par) {<a name="line.92"></a>
<FONT color="green">093</FONT>          parent=par;<a name="line.93"></a>
<FONT color="green">094</FONT>       }<a name="line.94"></a>
<FONT color="green">095</FONT>       <a name="line.95"></a>
<FONT color="green">096</FONT>       /** Empty constructor.  Most commonly used as a public API, with <a name="line.96"></a>
<FONT color="green">097</FONT>        * a load() operation called soon after.  */<a name="line.97"></a>
<FONT color="green">098</FONT>       public EProperties() {}<a name="line.98"></a>
<FONT color="green">099</FONT>       <a name="line.99"></a>
<FONT color="green">100</FONT>       /** Sets the URL from which this file was included. */<a name="line.100"></a>
<FONT color="green">101</FONT>       public void setIncludedURL(String iurl) {<a name="line.101"></a>
<FONT color="green">102</FONT>          includeURL=iurl;<a name="line.102"></a>
<FONT color="green">103</FONT>       }<a name="line.103"></a>
<FONT color="green">104</FONT>       <a name="line.104"></a>
<FONT color="green">105</FONT>       /** <a name="line.105"></a>
<FONT color="green">106</FONT>        * Merges 2 property sets at the same level.  Any potentially duplicate<a name="line.106"></a>
<FONT color="green">107</FONT>        * keys would be overwritten by the new values.<a name="line.107"></a>
<FONT color="green">108</FONT>        * <a name="line.108"></a>
<FONT color="green">109</FONT>        * This operation will caused subsequent save() operations to write the <a name="line.109"></a>
<FONT color="green">110</FONT>        * merged proeprties.  <a name="line.110"></a>
<FONT color="green">111</FONT>        * <a name="line.111"></a>
<FONT color="green">112</FONT>        * This is called by the parser to implement root property includes. <a name="line.112"></a>
<FONT color="green">113</FONT>        */<a name="line.113"></a>
<FONT color="green">114</FONT>       public void merge(EProperties p) {<a name="line.114"></a>
<FONT color="green">115</FONT>          log.debug("Merging "+p.size()+".  Current path is '"+getPath()+"'");<a name="line.115"></a>
<FONT color="green">116</FONT>          log.debug("Merging, this.findSourceURL(): "+findSourceURL());<a name="line.116"></a>
<FONT color="green">117</FONT>          log.debug("Merging, p.findSourceURL(): "+p.findSourceURL());<a name="line.117"></a>
<FONT color="green">118</FONT>          <a name="line.118"></a>
<FONT color="green">119</FONT>          List&lt;Key&gt; keys = p.getKeys();<a name="line.119"></a>
<FONT color="green">120</FONT>          int size=keys.size();<a name="line.120"></a>
<FONT color="green">121</FONT>          for (int i = 0; i &lt; size; i++) {<a name="line.121"></a>
<FONT color="green">122</FONT>             Key key = keys.get(i);<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>             // 21 jul 2009 - experimental.  I think we should merge the<a name="line.124"></a>
<FONT color="green">125</FONT>             // pre-substitution values, not the derrived values.  <a name="line.125"></a>
<FONT color="green">126</FONT>             <a name="line.126"></a>
<FONT color="green">127</FONT>             //Object val = p.get(key); <a name="line.127"></a>
<FONT color="green">128</FONT>             Object val=p.preSubstitutionGet(key);<a name="line.128"></a>
<FONT color="green">129</FONT>             <a name="line.129"></a>
<FONT color="green">130</FONT>             this.put(key, val);<a name="line.130"></a>
<FONT color="green">131</FONT>          }<a name="line.131"></a>
<FONT color="green">132</FONT>       }<a name="line.132"></a>
<FONT color="green">133</FONT>       <a name="line.133"></a>
<FONT color="green">134</FONT>       /** */<a name="line.134"></a>
<FONT color="green">135</FONT>       public void addAll(Properties p) {<a name="line.135"></a>
<FONT color="green">136</FONT>          Enumeration keyset=p.keys();<a name="line.136"></a>
<FONT color="green">137</FONT>          while (keyset.hasMoreElements()) {<a name="line.137"></a>
<FONT color="green">138</FONT>             Object key=keyset.nextElement();<a name="line.138"></a>
<FONT color="green">139</FONT>             Object value=p.get(key);<a name="line.139"></a>
<FONT color="green">140</FONT>             put(key, value);<a name="line.140"></a>
<FONT color="green">141</FONT>          }<a name="line.141"></a>
<FONT color="green">142</FONT>       }<a name="line.142"></a>
<FONT color="green">143</FONT>       <a name="line.143"></a>
<FONT color="green">144</FONT>       /** This method scans the properties tree, and returns a report of what<a name="line.144"></a>
<FONT color="green">145</FONT>        * properties have un-resolved substitutions.  */<a name="line.145"></a>
<FONT color="green">146</FONT>       public String validate() {<a name="line.146"></a>
<FONT color="green">147</FONT>          int size=keys.size();<a name="line.147"></a>
<FONT color="green">148</FONT>          <a name="line.148"></a>
<FONT color="green">149</FONT>          StringBuilder sb=new StringBuilder();<a name="line.149"></a>
<FONT color="green">150</FONT>          <a name="line.150"></a>
<FONT color="green">151</FONT>          for (int i=0; i&lt;size; i++) {<a name="line.151"></a>
<FONT color="green">152</FONT>             Key key=keys.get(i);<a name="line.152"></a>
<FONT color="green">153</FONT>             <a name="line.153"></a>
<FONT color="green">154</FONT>             // substitutions should have happened at the point that<a name="line.154"></a>
<FONT color="green">155</FONT>             // this is called.<a name="line.155"></a>
<FONT color="green">156</FONT>             Object value=get(key);<a name="line.156"></a>
<FONT color="green">157</FONT>             <a name="line.157"></a>
<FONT color="green">158</FONT>             if (value instanceof String) {<a name="line.158"></a>
<FONT color="green">159</FONT>                String s=(String)value;<a name="line.159"></a>
<FONT color="green">160</FONT>                if (SubstitutionProcessor.containsTokens(s)) {<a name="line.160"></a>
<FONT color="green">161</FONT>                   // this is an error.  Tokens should have been <a name="line.161"></a>
<FONT color="green">162</FONT>                   // replaced by values here.<a name="line.162"></a>
<FONT color="green">163</FONT>                   sb.append("Warning: Value for key '"+key+"' defined in terms of "+<a name="line.163"></a>
<FONT color="green">164</FONT>                         "un-resolvable substitution: '"+s+"'\n");<a name="line.164"></a>
<FONT color="green">165</FONT>                }<a name="line.165"></a>
<FONT color="green">166</FONT>             } else if (value instanceof List) {<a name="line.166"></a>
<FONT color="green">167</FONT>                List&lt;String&gt; list=(List&lt;String&gt;)value;<a name="line.167"></a>
<FONT color="green">168</FONT>                for (int j=0; j&lt;list.size(); j++) {<a name="line.168"></a>
<FONT color="green">169</FONT>                   String lv=list.get(j);<a name="line.169"></a>
<FONT color="green">170</FONT>                   if (SubstitutionProcessor.containsTokens(lv)) {<a name="line.170"></a>
<FONT color="green">171</FONT>                      sb.append("Warning: List item value for key '"+key+"["+j+"]' defined "+<a name="line.171"></a>
<FONT color="green">172</FONT>                            "in terms of un-resolvable substitution: '"+lv+"'\n");<a name="line.172"></a>
<FONT color="green">173</FONT>                   }<a name="line.173"></a>
<FONT color="green">174</FONT>                }<a name="line.174"></a>
<FONT color="green">175</FONT>             } else if (value instanceof EProperties) {<a name="line.175"></a>
<FONT color="green">176</FONT>                EProperties props=(EProperties)value;<a name="line.176"></a>
<FONT color="green">177</FONT>                // maybe should indent here... <a name="line.177"></a>
<FONT color="green">178</FONT>                sb.append(props.validate());<a name="line.178"></a>
<FONT color="green">179</FONT>             } else {<a name="line.179"></a>
<FONT color="green">180</FONT>                // not really sure what this object is, if not one of the <a name="line.180"></a>
<FONT color="green">181</FONT>                // above types. I'm confused - but I'm not going to validate.<a name="line.181"></a>
<FONT color="green">182</FONT>             }<a name="line.182"></a>
<FONT color="green">183</FONT>          }<a name="line.183"></a>
<FONT color="green">184</FONT>          return sb.toString();<a name="line.184"></a>
<FONT color="green">185</FONT>       }<a name="line.185"></a>
<FONT color="green">186</FONT>       <a name="line.186"></a>
<FONT color="green">187</FONT>       /** */<a name="line.187"></a>
<FONT color="green">188</FONT>       public void list(PrintStream ps) {<a name="line.188"></a>
<FONT color="green">189</FONT>          list(new PrintWriter(new OutputStreamWriter(ps), true));<a name="line.189"></a>
<FONT color="green">190</FONT>       }<a name="line.190"></a>
<FONT color="green">191</FONT>       <a name="line.191"></a>
<FONT color="green">192</FONT>       /** */<a name="line.192"></a>
<FONT color="green">193</FONT>       public void list(PrintWriter pw) {<a name="line.193"></a>
<FONT color="green">194</FONT>          int size=keys.size();<a name="line.194"></a>
<FONT color="green">195</FONT>          //pw.println ("--- EProperties listing ---");<a name="line.195"></a>
<FONT color="green">196</FONT>          for (int i=0; i&lt;size; i++) {<a name="line.196"></a>
<FONT color="green">197</FONT>             Key key=keys.get(i);<a name="line.197"></a>
<FONT color="green">198</FONT>             Object value=get(key);<a name="line.198"></a>
<FONT color="green">199</FONT>             if (value instanceof EProperties) {<a name="line.199"></a>
<FONT color="green">200</FONT>                pw.println(key+"= {");<a name="line.200"></a>
<FONT color="green">201</FONT>                ((EProperties)value).list(pw, 1);<a name="line.201"></a>
<FONT color="green">202</FONT>                pw.println("}");<a name="line.202"></a>
<FONT color="green">203</FONT>             } else <a name="line.203"></a>
<FONT color="green">204</FONT>                pw.println (key+"="+value);<a name="line.204"></a>
<FONT color="green">205</FONT>          }<a name="line.205"></a>
<FONT color="green">206</FONT>          //pw.println ("--- end EProperties listing ---");<a name="line.206"></a>
<FONT color="green">207</FONT>       }<a name="line.207"></a>
<FONT color="green">208</FONT>       <a name="line.208"></a>
<FONT color="green">209</FONT>       /** */<a name="line.209"></a>
<FONT color="green">210</FONT>       public void list(PrintWriter pw, int depth) {<a name="line.210"></a>
<FONT color="green">211</FONT>          int size=keys.size();<a name="line.211"></a>
<FONT color="green">212</FONT>          StringBuilder sb=new StringBuilder();<a name="line.212"></a>
<FONT color="green">213</FONT>          for (int i=0; i&lt;depth; i++) <a name="line.213"></a>
<FONT color="green">214</FONT>             sb.append("  ");<a name="line.214"></a>
<FONT color="green">215</FONT>          String pad=sb.toString();<a name="line.215"></a>
<FONT color="green">216</FONT>          <a name="line.216"></a>
<FONT color="green">217</FONT>          for (int i=0; i&lt;size; i++) {<a name="line.217"></a>
<FONT color="green">218</FONT>             Key key=keys.get(i);<a name="line.218"></a>
<FONT color="green">219</FONT>             Object value=get(key);<a name="line.219"></a>
<FONT color="green">220</FONT>             <a name="line.220"></a>
<FONT color="green">221</FONT>             if (value instanceof EProperties) {<a name="line.221"></a>
<FONT color="green">222</FONT>                pw.println(pad+key+"= {");<a name="line.222"></a>
<FONT color="green">223</FONT>                ((EProperties)value).list(pw, depth+1);<a name="line.223"></a>
<FONT color="green">224</FONT>                pw.println(pad+"}");<a name="line.224"></a>
<FONT color="green">225</FONT>             } else {<a name="line.225"></a>
<FONT color="green">226</FONT>                pw.println (pad+key+"="+value);<a name="line.226"></a>
<FONT color="green">227</FONT>             }<a name="line.227"></a>
<FONT color="green">228</FONT>          }<a name="line.228"></a>
<FONT color="green">229</FONT>       }<a name="line.229"></a>
<FONT color="green">230</FONT>       <a name="line.230"></a>
<FONT color="green">231</FONT>       public String list() {<a name="line.231"></a>
<FONT color="green">232</FONT>          ByteArrayOutputStream baos=new ByteArrayOutputStream();<a name="line.232"></a>
<FONT color="green">233</FONT>          PrintWriter pw=new PrintWriter(new OutputStreamWriter(baos), true);<a name="line.233"></a>
<FONT color="green">234</FONT>          list(pw);<a name="line.234"></a>
<FONT color="green">235</FONT>          pw.flush();<a name="line.235"></a>
<FONT color="green">236</FONT>          return baos.toString();<a name="line.236"></a>
<FONT color="green">237</FONT>       }<a name="line.237"></a>
<FONT color="green">238</FONT>       <a name="line.238"></a>
<FONT color="green">239</FONT>       public String list(int depth) {<a name="line.239"></a>
<FONT color="green">240</FONT>          ByteArrayOutputStream baos=new ByteArrayOutputStream();<a name="line.240"></a>
<FONT color="green">241</FONT>          PrintWriter pw=new PrintWriter(new OutputStreamWriter(baos), true);<a name="line.241"></a>
<FONT color="green">242</FONT>          list(pw, depth);<a name="line.242"></a>
<FONT color="green">243</FONT>          pw.flush();<a name="line.243"></a>
<FONT color="green">244</FONT>          return baos.toString();<a name="line.244"></a>
<FONT color="green">245</FONT>       }<a name="line.245"></a>
<FONT color="green">246</FONT>       ///////////////////////  Lineage  ////////////////////////////<a name="line.246"></a>
<FONT color="green">247</FONT>       public void setParent(EProperties p, String key) {<a name="line.247"></a>
<FONT color="green">248</FONT>          parent=p;<a name="line.248"></a>
<FONT color="green">249</FONT>          thisKey=key;<a name="line.249"></a>
<FONT color="green">250</FONT>          //System.out.println ("Set parent called with key '"+key+<a name="line.250"></a>
<FONT color="green">251</FONT>          //      "', parent key is '"+p.thisKey+"' path is "+getPath());<a name="line.251"></a>
<FONT color="green">252</FONT>       }<a name="line.252"></a>
<FONT color="green">253</FONT>       <a name="line.253"></a>
<FONT color="green">254</FONT>       /** */<a name="line.254"></a>
<FONT color="green">255</FONT>       public String getPath() {<a name="line.255"></a>
<FONT color="green">256</FONT>          StringBuilder sb=new StringBuilder();<a name="line.256"></a>
<FONT color="green">257</FONT>          String key=thisKey;<a name="line.257"></a>
<FONT color="green">258</FONT>          EProperties nextParent=parent;<a name="line.258"></a>
<FONT color="green">259</FONT>          while (nextParent != null) {<a name="line.259"></a>
<FONT color="green">260</FONT>             sb.insert(0, "-&gt;"+key);<a name="line.260"></a>
<FONT color="green">261</FONT>             <a name="line.261"></a>
<FONT color="green">262</FONT>             key=parent.thisKey;<a name="line.262"></a>
<FONT color="green">263</FONT>             if (key == null)<a name="line.263"></a>
<FONT color="green">264</FONT>                key="UNKNOWN";<a name="line.264"></a>
<FONT color="green">265</FONT>             <a name="line.265"></a>
<FONT color="green">266</FONT>             nextParent=nextParent.parent;<a name="line.266"></a>
<FONT color="green">267</FONT>          }<a name="line.267"></a>
<FONT color="green">268</FONT>          return sb.toString();<a name="line.268"></a>
<FONT color="green">269</FONT>        }<a name="line.269"></a>
<FONT color="green">270</FONT>       <a name="line.270"></a>
<FONT color="green">271</FONT>       /**<a name="line.271"></a>
<FONT color="green">272</FONT>        * This is the sole method for putting objects into the EProperties object.<a name="line.272"></a>
<FONT color="green">273</FONT>        * <a name="line.273"></a>
<FONT color="green">274</FONT>        * This is synchronized to prevent concurrent access with load/read operations.<a name="line.274"></a>
<FONT color="green">275</FONT>        */<a name="line.275"></a>
<FONT color="green">276</FONT>       @Override<a name="line.276"></a>
<FONT color="green">277</FONT>       public synchronized Object put(Object k, Object v) {<a name="line.277"></a>
<FONT color="green">278</FONT>          Key key = null;<a name="line.278"></a>
<FONT color="green">279</FONT>          // <a name="line.279"></a>
<FONT color="green">280</FONT>          if (k instanceof String) {<a name="line.280"></a>
<FONT color="green">281</FONT>             key = new Key((String) k);<a name="line.281"></a>
<FONT color="green">282</FONT>          } else if (k instanceof Key) {<a name="line.282"></a>
<FONT color="green">283</FONT>             key = (Key) k;<a name="line.283"></a>
<FONT color="green">284</FONT>          } else {<a name="line.284"></a>
<FONT color="green">285</FONT>             throw new Error("Keys in EProperties must be [Key | String].");<a name="line.285"></a>
<FONT color="green">286</FONT>          }<a name="line.286"></a>
<FONT color="green">287</FONT>    <a name="line.287"></a>
<FONT color="green">288</FONT>          // Prevent duplicate keys, preserve order, notify listeners<a name="line.288"></a>
<FONT color="green">289</FONT>          int keyIndex = keys.indexOf(key);<a name="line.289"></a>
<FONT color="green">290</FONT>          if (keyIndex == -1)<a name="line.290"></a>
<FONT color="green">291</FONT>             keys.add(key);<a name="line.291"></a>
<FONT color="green">292</FONT>          else {<a name="line.292"></a>
<FONT color="green">293</FONT>             Key existingKey = keys.get(keys.indexOf(key));<a name="line.293"></a>
<FONT color="green">294</FONT>             existingKey.notifyListeners(v);<a name="line.294"></a>
<FONT color="green">295</FONT>          }<a name="line.295"></a>
<FONT color="green">296</FONT>          <a name="line.296"></a>
<FONT color="green">297</FONT>          // build a value object.<a name="line.297"></a>
<FONT color="green">298</FONT>          // There are 3 and only 3 types of values:<a name="line.298"></a>
<FONT color="green">299</FONT>          //   1) String values.<a name="line.299"></a>
<FONT color="green">300</FONT>          //   2) List Values, and<a name="line.300"></a>
<FONT color="green">301</FONT>          //   3) EProperties values.<a name="line.301"></a>
<FONT color="green">302</FONT>          // <a name="line.302"></a>
<FONT color="green">303</FONT>          // attempting to put any<a name="line.303"></a>
<FONT color="green">304</FONT>          <a name="line.304"></a>
<FONT color="green">305</FONT>          Object returnVal=v;<a name="line.305"></a>
<FONT color="green">306</FONT>          Value value=null;<a name="line.306"></a>
<FONT color="green">307</FONT>          if (v == null) {<a name="line.307"></a>
<FONT color="green">308</FONT>             // Allowing us to call put(key, null). Setting a property to <a name="line.308"></a>
<FONT color="green">309</FONT>             // null is defined as removing that property.<a name="line.309"></a>
<FONT color="green">310</FONT>             //super.put(key, v);<a name="line.310"></a>
<FONT color="green">311</FONT>             super.remove(key);<a name="line.311"></a>
<FONT color="green">312</FONT>          } else if (v instanceof String) {<a name="line.312"></a>
<FONT color="green">313</FONT>             value=new StringValue((String)v, this);<a name="line.313"></a>
<FONT color="green">314</FONT>             super.put(key, value);<a name="line.314"></a>
<FONT color="green">315</FONT>          } else if (v instanceof List) {<a name="line.315"></a>
<FONT color="green">316</FONT>             value=new ListValue((List)v, this);<a name="line.316"></a>
<FONT color="green">317</FONT>             super.put(key, value);<a name="line.317"></a>
<FONT color="green">318</FONT>          } else if (v instanceof EProperties) {<a name="line.318"></a>
<FONT color="green">319</FONT>             super.put(key, v);<a name="line.319"></a>
<FONT color="green">320</FONT>             <a name="line.320"></a>
<FONT color="green">321</FONT>             // set parent.<a name="line.321"></a>
<FONT color="green">322</FONT>             //setParent((EProperties)v, key.toString());<a name="line.322"></a>
<FONT color="green">323</FONT>             ((EProperties)v).setParent(this, key.toString());<a name="line.323"></a>
<FONT color="green">324</FONT>          } else if (v instanceof StringValue ||<a name="line.324"></a>
<FONT color="green">325</FONT>                     v instanceof ListValue) {<a name="line.325"></a>
<FONT color="green">326</FONT>             super.put(key, v);<a name="line.326"></a>
<FONT color="green">327</FONT>          } else {<a name="line.327"></a>
<FONT color="green">328</FONT>             throw new Error("EProperties put() values can only be: "+<a name="line.328"></a>
<FONT color="green">329</FONT>                   "[String | List&lt;String&gt; | EProperties | StringValue | ListValue].  "+<a name="line.329"></a>
<FONT color="green">330</FONT>                   "Not "+v.getClass().getName());<a name="line.330"></a>
<FONT color="green">331</FONT>                            <a name="line.331"></a>
<FONT color="green">332</FONT>          }<a name="line.332"></a>
<FONT color="green">333</FONT>    <a name="line.333"></a>
<FONT color="green">334</FONT>          if (this.listeners != null) {<a name="line.334"></a>
<FONT color="green">335</FONT>             notifyListeners(key, value);<a name="line.335"></a>
<FONT color="green">336</FONT>          }<a name="line.336"></a>
<FONT color="green">337</FONT>    <a name="line.337"></a>
<FONT color="green">338</FONT>          return returnVal;<a name="line.338"></a>
<FONT color="green">339</FONT>       }<a name="line.339"></a>
<FONT color="green">340</FONT>    <a name="line.340"></a>
<FONT color="green">341</FONT>       /** */<a name="line.341"></a>
<FONT color="green">342</FONT>       @Override<a name="line.342"></a>
<FONT color="green">343</FONT>       public synchronized void putAll(Map m) {<a name="line.343"></a>
<FONT color="green">344</FONT>          Iterator i=m.keySet().iterator();<a name="line.344"></a>
<FONT color="green">345</FONT>          while (i.hasNext()) {<a name="line.345"></a>
<FONT color="green">346</FONT>             Object key=i.next();<a name="line.346"></a>
<FONT color="green">347</FONT>             Object val=m.get(key);<a name="line.347"></a>
<FONT color="green">348</FONT>             put(key, val);<a name="line.348"></a>
<FONT color="green">349</FONT>          }<a name="line.349"></a>
<FONT color="green">350</FONT>       }<a name="line.350"></a>
<FONT color="green">351</FONT>    <a name="line.351"></a>
<FONT color="green">352</FONT>       /** */<a name="line.352"></a>
<FONT color="green">353</FONT>       @Override<a name="line.353"></a>
<FONT color="green">354</FONT>       public Object remove(Object k) {<a name="line.354"></a>
<FONT color="green">355</FONT>          Key key = null;<a name="line.355"></a>
<FONT color="green">356</FONT>          if (k instanceof String) {<a name="line.356"></a>
<FONT color="green">357</FONT>             key = new Key((String) k);<a name="line.357"></a>
<FONT color="green">358</FONT>          } else if (k instanceof Key) {<a name="line.358"></a>
<FONT color="green">359</FONT>             key = (Key) k;<a name="line.359"></a>
<FONT color="green">360</FONT>          } else {<a name="line.360"></a>
<FONT color="green">361</FONT>             throw new Error("Keys in EProperties must be [Key, String].");<a name="line.361"></a>
<FONT color="green">362</FONT>          }<a name="line.362"></a>
<FONT color="green">363</FONT>          keys.remove(key);<a name="line.363"></a>
<FONT color="green">364</FONT>         <a name="line.364"></a>
<FONT color="green">365</FONT>          Object returnVal=super.remove(key);<a name="line.365"></a>
<FONT color="green">366</FONT>          <a name="line.366"></a>
<FONT color="green">367</FONT>          notifyListeners(key, returnVal);<a name="line.367"></a>
<FONT color="green">368</FONT>          <a name="line.368"></a>
<FONT color="green">369</FONT>          return returnVal;<a name="line.369"></a>
<FONT color="green">370</FONT>       }<a name="line.370"></a>
<FONT color="green">371</FONT>       <a name="line.371"></a>
<FONT color="green">372</FONT>       @Override<a name="line.372"></a>
<FONT color="green">373</FONT>       public Object get(Object key) {<a name="line.373"></a>
<FONT color="green">374</FONT>          Object val=null;<a name="line.374"></a>
<FONT color="green">375</FONT>          <a name="line.375"></a>
<FONT color="green">376</FONT>          if (key instanceof String) { <a name="line.376"></a>
<FONT color="green">377</FONT>             String skey=(String)key;<a name="line.377"></a>
<FONT color="green">378</FONT>             if (skey.indexOf("-&gt;") &gt; 0)<a name="line.378"></a>
<FONT color="green">379</FONT>                val=getWithComplexKey(skey);<a name="line.379"></a>
<FONT color="green">380</FONT>             else <a name="line.380"></a>
<FONT color="green">381</FONT>                val=super.get(key);<a name="line.381"></a>
<FONT color="green">382</FONT>          } else {<a name="line.382"></a>
<FONT color="green">383</FONT>             val=super.get(key);<a name="line.383"></a>
<FONT color="green">384</FONT>          }<a name="line.384"></a>
<FONT color="green">385</FONT>          <a name="line.385"></a>
<FONT color="green">386</FONT>          // here, we'll process substitutions if they exist...<a name="line.386"></a>
<FONT color="green">387</FONT>          if (val instanceof StringValue) {<a name="line.387"></a>
<FONT color="green">388</FONT>             Object rtval=((StringValue)val).getRuntimeValue();<a name="line.388"></a>
<FONT color="green">389</FONT>             <a name="line.389"></a>
<FONT color="green">390</FONT>             if (rtval instanceof String &amp;&amp;<a name="line.390"></a>
<FONT color="green">391</FONT>                SubstitutionProcessor.containsTokens((String)rtval)) {<a name="line.391"></a>
<FONT color="green">392</FONT>                log.warn("Value for key '"+key+"' defined in terms of "+<a name="line.392"></a>
<FONT color="green">393</FONT>                         "un-resolvable substitution: '"+rtval+"'");<a name="line.393"></a>
<FONT color="green">394</FONT>             }<a name="line.394"></a>
<FONT color="green">395</FONT>             return rtval;<a name="line.395"></a>
<FONT color="green">396</FONT>          }<a name="line.396"></a>
<FONT color="green">397</FONT>          else if (val instanceof ListValue) {<a name="line.397"></a>
<FONT color="green">398</FONT>             List&lt;String&gt; list=((ListValue)val).getRuntimeValue();<a name="line.398"></a>
<FONT color="green">399</FONT>             for (int j=0; j&lt;list.size(); j++) {<a name="line.399"></a>
<FONT color="green">400</FONT>                String lv=list.get(j);<a name="line.400"></a>
<FONT color="green">401</FONT>                if (SubstitutionProcessor.containsTokens(lv)) {<a name="line.401"></a>
<FONT color="green">402</FONT>                   log.warn("List item value for key '"+key+"["+j+"]' defined "+<a name="line.402"></a>
<FONT color="green">403</FONT>                         "in terms of un-resolvable substitution: '"+lv+"'\n");<a name="line.403"></a>
<FONT color="green">404</FONT>                }<a name="line.404"></a>
<FONT color="green">405</FONT>             }<a name="line.405"></a>
<FONT color="green">406</FONT>             return list;<a name="line.406"></a>
<FONT color="green">407</FONT>          }<a name="line.407"></a>
<FONT color="green">408</FONT>          return val;<a name="line.408"></a>
<FONT color="green">409</FONT>       }<a name="line.409"></a>
<FONT color="green">410</FONT>       <a name="line.410"></a>
<FONT color="green">411</FONT>       private Object preSubstitutionGet(Object key) {<a name="line.411"></a>
<FONT color="green">412</FONT>          return super.get(key);<a name="line.412"></a>
<FONT color="green">413</FONT>       }<a name="line.413"></a>
<FONT color="green">414</FONT>    <a name="line.414"></a>
<FONT color="green">415</FONT>       /** */<a name="line.415"></a>
<FONT color="green">416</FONT>       public Object get(String key, Object def) {<a name="line.416"></a>
<FONT color="green">417</FONT>          Object ret = get(key);<a name="line.417"></a>
<FONT color="green">418</FONT>          if (ret == null)<a name="line.418"></a>
<FONT color="green">419</FONT>             return def;<a name="line.419"></a>
<FONT color="green">420</FONT>          else<a name="line.420"></a>
<FONT color="green">421</FONT>             return ret;<a name="line.421"></a>
<FONT color="green">422</FONT>       }<a name="line.422"></a>
<FONT color="green">423</FONT>    <a name="line.423"></a>
<FONT color="green">424</FONT>       /** */<a name="line.424"></a>
<FONT color="green">425</FONT>       public List&lt;Key&gt; getKeys() {<a name="line.425"></a>
<FONT color="green">426</FONT>          return keys;<a name="line.426"></a>
<FONT color="green">427</FONT>       }<a name="line.427"></a>
<FONT color="green">428</FONT>    <a name="line.428"></a>
<FONT color="green">429</FONT>       /** */<a name="line.429"></a>
<FONT color="green">430</FONT>       public Object get(int keyNum) {<a name="line.430"></a>
<FONT color="green">431</FONT>          return get(getKey(keyNum));<a name="line.431"></a>
<FONT color="green">432</FONT>       }<a name="line.432"></a>
<FONT color="green">433</FONT>    <a name="line.433"></a>
<FONT color="green">434</FONT>       /** */<a name="line.434"></a>
<FONT color="green">435</FONT>       public Key getKey(int i) {<a name="line.435"></a>
<FONT color="green">436</FONT>          return keys.get(i);<a name="line.436"></a>
<FONT color="green">437</FONT>       }<a name="line.437"></a>
<FONT color="green">438</FONT>    <a name="line.438"></a>
<FONT color="green">439</FONT>       /** Returns a list of keys that start with the input string. */<a name="line.439"></a>
<FONT color="green">440</FONT>       public List&lt;Key&gt; getKeys(String s) {<a name="line.440"></a>
<FONT color="green">441</FONT>          List&lt;Key&gt; prefixKeys = new ArrayList&lt;Key&gt;();<a name="line.441"></a>
<FONT color="green">442</FONT>          int size = keys.size();<a name="line.442"></a>
<FONT color="green">443</FONT>          for (int i = 0; i &lt; size; i++) {<a name="line.443"></a>
<FONT color="green">444</FONT>             Key key = keys.get(i);<a name="line.444"></a>
<FONT color="green">445</FONT>             if (key.toString().startsWith(s))<a name="line.445"></a>
<FONT color="green">446</FONT>                prefixKeys.add(key);<a name="line.446"></a>
<FONT color="green">447</FONT>          }<a name="line.447"></a>
<FONT color="green">448</FONT>          return prefixKeys;<a name="line.448"></a>
<FONT color="green">449</FONT>       }<a name="line.449"></a>
<FONT color="green">450</FONT>       <a name="line.450"></a>
<FONT color="green">451</FONT>       @Override<a name="line.451"></a>
<FONT color="green">452</FONT>       public synchronized Enumeration keys() {<a name="line.452"></a>
<FONT color="green">453</FONT>          Vector v=new Vector();<a name="line.453"></a>
<FONT color="green">454</FONT>          <a name="line.454"></a>
<FONT color="green">455</FONT>          int size = keys.size();<a name="line.455"></a>
<FONT color="green">456</FONT>          for (int i = 0; i &lt; size; i++) {<a name="line.456"></a>
<FONT color="green">457</FONT>             Key key = keys.get(i);<a name="line.457"></a>
<FONT color="green">458</FONT>             v.add(key.toString());<a name="line.458"></a>
<FONT color="green">459</FONT>          }<a name="line.459"></a>
<FONT color="green">460</FONT>          return v.elements();<a name="line.460"></a>
<FONT color="green">461</FONT>       }<a name="line.461"></a>
<FONT color="green">462</FONT>       <a name="line.462"></a>
<FONT color="green">463</FONT>       @Override<a name="line.463"></a>
<FONT color="green">464</FONT>       public synchronized Collection values() {<a name="line.464"></a>
<FONT color="green">465</FONT>          Vector v=new Vector();<a name="line.465"></a>
<FONT color="green">466</FONT>          int size = keys.size();<a name="line.466"></a>
<FONT color="green">467</FONT>          for (int i = 0; i &lt; size; i++) {<a name="line.467"></a>
<FONT color="green">468</FONT>             v.add(get(i));<a name="line.468"></a>
<FONT color="green">469</FONT>          }<a name="line.469"></a>
<FONT color="green">470</FONT>          return v;<a name="line.470"></a>
<FONT color="green">471</FONT>       }<a name="line.471"></a>
<FONT color="green">472</FONT>       <a name="line.472"></a>
<FONT color="green">473</FONT>       @Override <a name="line.473"></a>
<FONT color="green">474</FONT>       public synchronized Enumeration elements() {<a name="line.474"></a>
<FONT color="green">475</FONT>          return new VectorEnumerator((Vector)values());<a name="line.475"></a>
<FONT color="green">476</FONT>       }<a name="line.476"></a>
<FONT color="green">477</FONT>       <a name="line.477"></a>
<FONT color="green">478</FONT>       public static class VectorEnumerator implements Enumeration {<a name="line.478"></a>
<FONT color="green">479</FONT>          Vector v=null;<a name="line.479"></a>
<FONT color="green">480</FONT>          int index=0;<a name="line.480"></a>
<FONT color="green">481</FONT>          public VectorEnumerator(Vector v) {<a name="line.481"></a>
<FONT color="green">482</FONT>             this.v=v;<a name="line.482"></a>
<FONT color="green">483</FONT>          }<a name="line.483"></a>
<FONT color="green">484</FONT>          public boolean hasMoreElements() {<a name="line.484"></a>
<FONT color="green">485</FONT>             if (index &lt; v.size())<a name="line.485"></a>
<FONT color="green">486</FONT>                return true;<a name="line.486"></a>
<FONT color="green">487</FONT>             return false;<a name="line.487"></a>
<FONT color="green">488</FONT>          }<a name="line.488"></a>
<FONT color="green">489</FONT>          public Object nextElement() {<a name="line.489"></a>
<FONT color="green">490</FONT>             index++;<a name="line.490"></a>
<FONT color="green">491</FONT>             return v.get(index-1);<a name="line.491"></a>
<FONT color="green">492</FONT>          }<a name="line.492"></a>
<FONT color="green">493</FONT>       }<a name="line.493"></a>
<FONT color="green">494</FONT>       <a name="line.494"></a>
<FONT color="green">495</FONT>       @Override<a name="line.495"></a>
<FONT color="green">496</FONT>       public synchronized Set keySet() {<a name="line.496"></a>
<FONT color="green">497</FONT>          HashSet hashSet=new HashSet();<a name="line.497"></a>
<FONT color="green">498</FONT>          <a name="line.498"></a>
<FONT color="green">499</FONT>          int size = keys.size();<a name="line.499"></a>
<FONT color="green">500</FONT>          for (int i = 0; i &lt; size; i++) {<a name="line.500"></a>
<FONT color="green">501</FONT>             Key key = keys.get(i);<a name="line.501"></a>
<FONT color="green">502</FONT>             hashSet.add(key.toString());<a name="line.502"></a>
<FONT color="green">503</FONT>          }<a name="line.503"></a>
<FONT color="green">504</FONT>          <a name="line.504"></a>
<FONT color="green">505</FONT>          return hashSet;<a name="line.505"></a>
<FONT color="green">506</FONT>       }<a name="line.506"></a>
<FONT color="green">507</FONT>       <a name="line.507"></a>
<FONT color="green">508</FONT>       @Override<a name="line.508"></a>
<FONT color="green">509</FONT>       public Enumeration&lt;String&gt; propertyNames() {<a name="line.509"></a>
<FONT color="green">510</FONT>          return keys();<a name="line.510"></a>
<FONT color="green">511</FONT>       }<a name="line.511"></a>
<FONT color="green">512</FONT>       <a name="line.512"></a>
<FONT color="green">513</FONT>       //@Override // this is an override only in 1.6<a name="line.513"></a>
<FONT color="green">514</FONT>       public Set&lt;String&gt; stringPropertyNames() {<a name="line.514"></a>
<FONT color="green">515</FONT>          return keySet();<a name="line.515"></a>
<FONT color="green">516</FONT>       }<a name="line.516"></a>
<FONT color="green">517</FONT>       <a name="line.517"></a>
<FONT color="green">518</FONT>       @Override <a name="line.518"></a>
<FONT color="green">519</FONT>       public synchronized boolean containsKey(Object key) {<a name="line.519"></a>
<FONT color="green">520</FONT>          Object val=get(key);<a name="line.520"></a>
<FONT color="green">521</FONT>          if (val != null)<a name="line.521"></a>
<FONT color="green">522</FONT>             return true;<a name="line.522"></a>
<FONT color="green">523</FONT>          return false;<a name="line.523"></a>
<FONT color="green">524</FONT>       }<a name="line.524"></a>
<FONT color="green">525</FONT>       <a name="line.525"></a>
<FONT color="green">526</FONT>       @Override<a name="line.526"></a>
<FONT color="green">527</FONT>       public synchronized boolean contains(Object value) {<a name="line.527"></a>
<FONT color="green">528</FONT>          if (value == null)<a name="line.528"></a>
<FONT color="green">529</FONT>             return false;<a name="line.529"></a>
<FONT color="green">530</FONT>          // inefficient, but functional.<a name="line.530"></a>
<FONT color="green">531</FONT>          int size = keys.size();<a name="line.531"></a>
<FONT color="green">532</FONT>          for (int i = 0; i &lt; size; i++) {<a name="line.532"></a>
<FONT color="green">533</FONT>             Object val=get(i);<a name="line.533"></a>
<FONT color="green">534</FONT>             if (val.equals(value))<a name="line.534"></a>
<FONT color="green">535</FONT>                return true;<a name="line.535"></a>
<FONT color="green">536</FONT>          }<a name="line.536"></a>
<FONT color="green">537</FONT>          return false;<a name="line.537"></a>
<FONT color="green">538</FONT>       }<a name="line.538"></a>
<FONT color="green">539</FONT>    <a name="line.539"></a>
<FONT color="green">540</FONT>       ///////////////////////// Load/Save Methods ////////////////////////////<a name="line.540"></a>
<FONT color="green">541</FONT>       /** This is the 'master' load() method.  All other load methods delgate<a name="line.541"></a>
<FONT color="green">542</FONT>        * here for actual property loading.  */<a name="line.542"></a>
<FONT color="green">543</FONT>       public synchronized void load(InputStream is) <a name="line.543"></a>
<FONT color="green">544</FONT>       throws IOException {<a name="line.544"></a>
<FONT color="green">545</FONT>          InputStream cis=cacheManager.getInputStream(is, sourceURL);<a name="line.545"></a>
<FONT color="green">546</FONT>          <a name="line.546"></a>
<FONT color="green">547</FONT>          EPropertiesParser parser=new EPropertiesParser(cis);<a name="line.547"></a>
<FONT color="green">548</FONT>          parser.setSourceURL(sourceURL);<a name="line.548"></a>
<FONT color="green">549</FONT>          <a name="line.549"></a>
<FONT color="green">550</FONT>          // Cache remote URLs.  Here, we need to know which URLs are local, <a name="line.550"></a>
<FONT color="green">551</FONT>          // and which are remote.  We determine this from the sourceURL, if not<a name="line.551"></a>
<FONT color="green">552</FONT>          // null.  <a name="line.552"></a>
<FONT color="green">553</FONT>          // <a name="line.553"></a>
<FONT color="green">554</FONT>          // The caching of remote URLs requires basically 2 'use cases': <a name="line.554"></a>
<FONT color="green">555</FONT>          // 1) Initially, and repeatedly, we should write a cache copy of<a name="line.555"></a>
<FONT color="green">556</FONT>          //    the source properties stream.  <a name="line.556"></a>
<FONT color="green">557</FONT>          // 2) Later (at least after the first successful read), if the remote<a name="line.557"></a>
<FONT color="green">558</FONT>          //    resource is not available, we should:<a name="line.558"></a>
<FONT color="green">559</FONT>          //    a) attempt to load from the remote resource.<a name="line.559"></a>
<FONT color="green">560</FONT>          //    b) if the remote resource is not available, use the local <a name="line.560"></a>
<FONT color="green">561</FONT>          //       cached copy.<a name="line.561"></a>
<FONT color="green">562</FONT>          // <a name="line.562"></a>
<FONT color="green">563</FONT>          // Here, we are covering use case 1.  This is becasue all properties <a name="line.563"></a>
<FONT color="green">564</FONT>          // loading happens at this location.<a name="line.564"></a>
<FONT color="green">565</FONT>          // unimplemented at 24 jul 09<a name="line.565"></a>
<FONT color="green">566</FONT>          try {<a name="line.566"></a>
<FONT color="green">567</FONT>             parser.parse(this);<a name="line.567"></a>
<FONT color="green">568</FONT>          } catch (Exception ex) {<a name="line.568"></a>
<FONT color="green">569</FONT>             // this constructor is only available in Java 1.6<a name="line.569"></a>
<FONT color="green">570</FONT>             //throw new IOException("Error parsing EProperties.", ex);<a name="line.570"></a>
<FONT color="green">571</FONT>             ex.printStackTrace();<a name="line.571"></a>
<FONT color="green">572</FONT>             throw new IOException("Error parsing Properties. "+ex.getMessage());<a name="line.572"></a>
<FONT color="green">573</FONT>          } finally {<a name="line.573"></a>
<FONT color="green">574</FONT>             if (cis != null) {<a name="line.574"></a>
<FONT color="green">575</FONT>                try {<a name="line.575"></a>
<FONT color="green">576</FONT>                   cis.close();<a name="line.576"></a>
<FONT color="green">577</FONT>                } catch (Exception clex) {<a name="line.577"></a>
<FONT color="green">578</FONT>                   clex.printStackTrace();<a name="line.578"></a>
<FONT color="green">579</FONT>                }<a name="line.579"></a>
<FONT color="green">580</FONT>             }<a name="line.580"></a>
<FONT color="green">581</FONT>          }<a name="line.581"></a>
<FONT color="green">582</FONT>          <a name="line.582"></a>
<FONT color="green">583</FONT>          validate();<a name="line.583"></a>
<FONT color="green">584</FONT>       }<a name="line.584"></a>
<FONT color="green">585</FONT>       <a name="line.585"></a>
<FONT color="green">586</FONT>       /**<a name="line.586"></a>
<FONT color="green">587</FONT>        * Loads properties with a string representing either a URL or <a name="line.587"></a>
<FONT color="green">588</FONT>        * a file.  <a name="line.588"></a>
<FONT color="green">589</FONT>        * <a name="line.589"></a>
<FONT color="green">590</FONT>        * @param surl<a name="line.590"></a>
<FONT color="green">591</FONT>        */<a name="line.591"></a>
<FONT color="green">592</FONT>       public void load(String surl) throws IOException {<a name="line.592"></a>
<FONT color="green">593</FONT>          URL url=null;<a name="line.593"></a>
<FONT color="green">594</FONT>          <a name="line.594"></a>
<FONT color="green">595</FONT>          if (surl.indexOf("://") != -1) {<a name="line.595"></a>
<FONT color="green">596</FONT>             //System.out.println ("Constructing URL as URL");<a name="line.596"></a>
<FONT color="green">597</FONT>             url=new URL(surl);<a name="line.597"></a>
<FONT color="green">598</FONT>          } else {<a name="line.598"></a>
<FONT color="green">599</FONT>             //System.out.println ("Constructing URL as File");<a name="line.599"></a>
<FONT color="green">600</FONT>             url=(new File(surl)).toURI().toURL();<a name="line.600"></a>
<FONT color="green">601</FONT>          }<a name="line.601"></a>
<FONT color="green">602</FONT>          load(url);<a name="line.602"></a>
<FONT color="green">603</FONT>       }<a name="line.603"></a>
<FONT color="green">604</FONT>       <a name="line.604"></a>
<FONT color="green">605</FONT>       /** */<a name="line.605"></a>
<FONT color="green">606</FONT>       public synchronized void load(URL url) <a name="line.606"></a>
<FONT color="green">607</FONT>          throws IOException {<a name="line.607"></a>
<FONT color="green">608</FONT>          setSourceURL(url);<a name="line.608"></a>
<FONT color="green">609</FONT>          InputStream is=null;<a name="line.609"></a>
<FONT color="green">610</FONT>          try {<a name="line.610"></a>
<FONT color="green">611</FONT>    //         URLConnection urlConnection=url.openConnection();<a name="line.611"></a>
<FONT color="green">612</FONT>    //         <a name="line.612"></a>
<FONT color="green">613</FONT>    //         // This should work for both file:// and http:// URLs.<a name="line.613"></a>
<FONT color="green">614</FONT>    //         long tmp=urlConnection.getLastModified();<a name="line.614"></a>
<FONT color="green">615</FONT>    //         <a name="line.615"></a>
<FONT color="green">616</FONT>    //         is=url.openStream();<a name="line.616"></a>
<FONT color="green">617</FONT>             <a name="line.617"></a>
<FONT color="green">618</FONT>             is=cacheManager.getInputStream(url);<a name="line.618"></a>
<FONT color="green">619</FONT>             <a name="line.619"></a>
<FONT color="green">620</FONT>             load(is);<a name="line.620"></a>
<FONT color="green">621</FONT>    <a name="line.621"></a>
<FONT color="green">622</FONT>             if (is instanceof CacheInputStream) {<a name="line.622"></a>
<FONT color="green">623</FONT>                CacheInputStream cis=(CacheInputStream)is;<a name="line.623"></a>
<FONT color="green">624</FONT>                lastModification=cis.getLastModified();<a name="line.624"></a>
<FONT color="green">625</FONT>             }<a name="line.625"></a>
<FONT color="green">626</FONT>             //lastModification=tmp;<a name="line.626"></a>
<FONT color="green">627</FONT>             log.debug("Last Mod is '"+lastModification+"'");<a name="line.627"></a>
<FONT color="green">628</FONT>          } finally {<a name="line.628"></a>
<FONT color="green">629</FONT>             if (is != null)<a name="line.629"></a>
<FONT color="green">630</FONT>                is.close();<a name="line.630"></a>
<FONT color="green">631</FONT>          }<a name="line.631"></a>
<FONT color="green">632</FONT>       }<a name="line.632"></a>
<FONT color="green">633</FONT>       <a name="line.633"></a>
<FONT color="green">634</FONT>       /** */<a name="line.634"></a>
<FONT color="green">635</FONT>       public boolean isSourceModified() {<a name="line.635"></a>
<FONT color="green">636</FONT>          try {<a name="line.636"></a>
<FONT color="green">637</FONT>             URLConnection con=sourceURL.openConnection();<a name="line.637"></a>
<FONT color="green">638</FONT>             long lastMod=con.getLastModified();<a name="line.638"></a>
<FONT color="green">639</FONT>             <a name="line.639"></a>
<FONT color="green">640</FONT>             if (lastMod != lastModification) <a name="line.640"></a>
<FONT color="green">641</FONT>                return true;<a name="line.641"></a>
<FONT color="green">642</FONT>          } catch (Exception ex) {<a name="line.642"></a>
<FONT color="green">643</FONT>             log.error("Error checking source modification", ex);<a name="line.643"></a>
<FONT color="green">644</FONT>             //ex.printStackTrace();<a name="line.644"></a>
<FONT color="green">645</FONT>          }<a name="line.645"></a>
<FONT color="green">646</FONT>          return false;<a name="line.646"></a>
<FONT color="green">647</FONT>       }<a name="line.647"></a>
<FONT color="green">648</FONT>       <a name="line.648"></a>
<FONT color="green">649</FONT>       /** */<a name="line.649"></a>
<FONT color="green">650</FONT>       public void load(File f) <a name="line.650"></a>
<FONT color="green">651</FONT>        throws IOException {<a name="line.651"></a>
<FONT color="green">652</FONT>          load(f.toURI().toURL());<a name="line.652"></a>
<FONT color="green">653</FONT>       }<a name="line.653"></a>
<FONT color="green">654</FONT>       <a name="line.654"></a>
<FONT color="green">655</FONT>       /** Reloads this EProperties object from its sourceURL. If this EProperties<a name="line.655"></a>
<FONT color="green">656</FONT>        * object does not have a sourceURL, this method does nothing.<a name="line.656"></a>
<FONT color="green">657</FONT>        */<a name="line.657"></a>
<FONT color="green">658</FONT>       public void reload() <a name="line.658"></a>
<FONT color="green">659</FONT>          throws IOException {<a name="line.659"></a>
<FONT color="green">660</FONT>          if (sourceURL != null) {<a name="line.660"></a>
<FONT color="green">661</FONT>             load(sourceURL);<a name="line.661"></a>
<FONT color="green">662</FONT>          }<a name="line.662"></a>
<FONT color="green">663</FONT>       }<a name="line.663"></a>
<FONT color="green">664</FONT>       <a name="line.664"></a>
<FONT color="green">665</FONT>       /** */<a name="line.665"></a>
<FONT color="green">666</FONT>       public URL getSourceURL() {<a name="line.666"></a>
<FONT color="green">667</FONT>          URL url = sourceURL;<a name="line.667"></a>
<FONT color="green">668</FONT>          if (url != null)<a name="line.668"></a>
<FONT color="green">669</FONT>             return url;<a name="line.669"></a>
<FONT color="green">670</FONT>          <a name="line.670"></a>
<FONT color="green">671</FONT>          EProperties next = parent;<a name="line.671"></a>
<FONT color="green">672</FONT>          while (next != null &amp;&amp; url == null) {<a name="line.672"></a>
<FONT color="green">673</FONT>             url = next.sourceURL;<a name="line.673"></a>
<FONT color="green">674</FONT>             next = next.parent;<a name="line.674"></a>
<FONT color="green">675</FONT>          }<a name="line.675"></a>
<FONT color="green">676</FONT>          return url;<a name="line.676"></a>
<FONT color="green">677</FONT>       }<a name="line.677"></a>
<FONT color="green">678</FONT>    <a name="line.678"></a>
<FONT color="green">679</FONT>       /** */<a name="line.679"></a>
<FONT color="green">680</FONT>       public void setSourceURL(URL url) {<a name="line.680"></a>
<FONT color="green">681</FONT>          log.debug("Setting source URL '"+url+"'");<a name="line.681"></a>
<FONT color="green">682</FONT>          sourceURL = url; // new File(file.getAbsolutePath());<a name="line.682"></a>
<FONT color="green">683</FONT>       }<a name="line.683"></a>
<FONT color="green">684</FONT>    <a name="line.684"></a>
<FONT color="green">685</FONT>       /** */<a name="line.685"></a>
<FONT color="green">686</FONT>       public final URL findSourceURL() {<a name="line.686"></a>
<FONT color="green">687</FONT>          EProperties props = this;<a name="line.687"></a>
<FONT color="green">688</FONT>          URL url = sourceURL;<a name="line.688"></a>
<FONT color="green">689</FONT>          while (url == null &amp;&amp; props != null) {<a name="line.689"></a>
<FONT color="green">690</FONT>             props = props.parent;<a name="line.690"></a>
<FONT color="green">691</FONT>             if (props != null)<a name="line.691"></a>
<FONT color="green">692</FONT>                url = props.sourceURL;<a name="line.692"></a>
<FONT color="green">693</FONT>          }<a name="line.693"></a>
<FONT color="green">694</FONT>          return url;<a name="line.694"></a>
<FONT color="green">695</FONT>       }<a name="line.695"></a>
<FONT color="green">696</FONT>       <a name="line.696"></a>
<FONT color="green">697</FONT>       public boolean save() throws IOException {<a name="line.697"></a>
<FONT color="green">698</FONT>          if (sourceURL != null) {<a name="line.698"></a>
<FONT color="green">699</FONT>             if (sourceURL.getProtocol() != null<a name="line.699"></a>
<FONT color="green">700</FONT>                   &amp;&amp; sourceURL.getProtocol().equals("file")) {<a name="line.700"></a>
<FONT color="green">701</FONT>    <a name="line.701"></a>
<FONT color="green">702</FONT>                File f = null;<a name="line.702"></a>
<FONT color="green">703</FONT>                try {<a name="line.703"></a>
<FONT color="green">704</FONT>                   f = new File(sourceURL.toURI());<a name="line.704"></a>
<FONT color="green">705</FONT>                } catch (Exception ex) {<a name="line.705"></a>
<FONT color="green">706</FONT>                   // this constructor is only available in Java 1.6<a name="line.706"></a>
<FONT color="green">707</FONT>                   //throw new IOException("Unable to form File from URL.", ex);<a name="line.707"></a>
<FONT color="green">708</FONT>                   ex.printStackTrace();<a name="line.708"></a>
<FONT color="green">709</FONT>                   throw new IOException("Unable to form File from URL. "+ex.getMessage());<a name="line.709"></a>
<FONT color="green">710</FONT>                }<a name="line.710"></a>
<FONT color="green">711</FONT>                save(f);<a name="line.711"></a>
<FONT color="green">712</FONT>             } else {<a name="line.712"></a>
<FONT color="green">713</FONT>                log.debug("Cannot save properties with URL " + sourceURL);<a name="line.713"></a>
<FONT color="green">714</FONT>             }<a name="line.714"></a>
<FONT color="green">715</FONT>             return true;<a name="line.715"></a>
<FONT color="green">716</FONT>          } else {<a name="line.716"></a>
<FONT color="green">717</FONT>             if (parent != null) {<a name="line.717"></a>
<FONT color="green">718</FONT>                return parent.save();<a name="line.718"></a>
<FONT color="green">719</FONT>             } else {<a name="line.719"></a>
<FONT color="green">720</FONT>                return false;<a name="line.720"></a>
<FONT color="green">721</FONT>             }<a name="line.721"></a>
<FONT color="green">722</FONT>          }<a name="line.722"></a>
<FONT color="green">723</FONT>       }<a name="line.723"></a>
<FONT color="green">724</FONT>       <a name="line.724"></a>
<FONT color="green">725</FONT>       public void save(File f) throws IOException {<a name="line.725"></a>
<FONT color="green">726</FONT>          save(new FileWriter(f));<a name="line.726"></a>
<FONT color="green">727</FONT>       }<a name="line.727"></a>
<FONT color="green">728</FONT>       <a name="line.728"></a>
<FONT color="green">729</FONT>       public void save(OutputStream os)<a name="line.729"></a>
<FONT color="green">730</FONT>       throws IOException {<a name="line.730"></a>
<FONT color="green">731</FONT>          save(new OutputStreamWriter(os));<a name="line.731"></a>
<FONT color="green">732</FONT>       }<a name="line.732"></a>
<FONT color="green">733</FONT>       <a name="line.733"></a>
<FONT color="green">734</FONT>       public void save(Writer w) <a name="line.734"></a>
<FONT color="green">735</FONT>       throws IOException {<a name="line.735"></a>
<FONT color="green">736</FONT>          save(w, 0);<a name="line.736"></a>
<FONT color="green">737</FONT>       }<a name="line.737"></a>
<FONT color="green">738</FONT>       <a name="line.738"></a>
<FONT color="green">739</FONT>       /** */<a name="line.739"></a>
<FONT color="green">740</FONT>       private synchronized void save(Writer w, int indent) <a name="line.740"></a>
<FONT color="green">741</FONT>          throws IOException {<a name="line.741"></a>
<FONT color="green">742</FONT>          String pad="";<a name="line.742"></a>
<FONT color="green">743</FONT>          if (indent &gt; 0) {<a name="line.743"></a>
<FONT color="green">744</FONT>             StringBuilder sb=new StringBuilder();<a name="line.744"></a>
<FONT color="green">745</FONT>             for (int i=0; i&lt;INDENT_SPACES*indent; i++) {<a name="line.745"></a>
<FONT color="green">746</FONT>                sb.append(" ");<a name="line.746"></a>
<FONT color="green">747</FONT>             }<a name="line.747"></a>
<FONT color="green">748</FONT>             pad=sb.toString();<a name="line.748"></a>
<FONT color="green">749</FONT>          }<a name="line.749"></a>
<FONT color="green">750</FONT>          <a name="line.750"></a>
<FONT color="green">751</FONT>          try {<a name="line.751"></a>
<FONT color="green">752</FONT>             int size=keys.size();<a name="line.752"></a>
<FONT color="green">753</FONT>             for (int i=0; i&lt;size; i++) {<a name="line.753"></a>
<FONT color="green">754</FONT>                Key key=keys.get(i);<a name="line.754"></a>
<FONT color="green">755</FONT>                <a name="line.755"></a>
<FONT color="green">756</FONT>                // writing key= is the same for string, list, properties, or<a name="line.756"></a>
<FONT color="green">757</FONT>                // inclusion.<a name="line.757"></a>
<FONT color="green">758</FONT>                <a name="line.758"></a>
<FONT color="green">759</FONT>                // first, write comment lines if they exist<a name="line.759"></a>
<FONT color="green">760</FONT>                String comments=key.getComments();<a name="line.760"></a>
<FONT color="green">761</FONT>                if (comments != null) {<a name="line.761"></a>
<FONT color="green">762</FONT>                   // trim off trailing newline, then pad, then append newline<a name="line.762"></a>
<FONT color="green">763</FONT>                   comments=comments.trim(); <a name="line.763"></a>
<FONT color="green">764</FONT>                   <a name="line.764"></a>
<FONT color="green">765</FONT>                   comments=pad+comments;<a name="line.765"></a>
<FONT color="green">766</FONT>                   comments=comments.replace("\n", "\n"+pad);<a name="line.766"></a>
<FONT color="green">767</FONT>                   comments=comments+"\n";<a name="line.767"></a>
<FONT color="green">768</FONT>                   <a name="line.768"></a>
<FONT color="green">769</FONT>                   w.write(comments);<a name="line.769"></a>
<FONT color="green">770</FONT>                }<a name="line.770"></a>
<FONT color="green">771</FONT>                w.write(pad+key.toString()+"=");<a name="line.771"></a>
<FONT color="green">772</FONT>                <a name="line.772"></a>
<FONT color="green">773</FONT>                // now, write the value, depending on its type.<a name="line.773"></a>
<FONT color="green">774</FONT>                Object val=preSubstitutionGet(key);<a name="line.774"></a>
<FONT color="green">775</FONT>                <a name="line.775"></a>
<FONT color="green">776</FONT>                if (val == null) {<a name="line.776"></a>
<FONT color="green">777</FONT>                   w.write("\n"); // null is an unquoted empty line.<a name="line.777"></a>
<FONT color="green">778</FONT>                   // this will allow for the definition of a non-null<a name="line.778"></a>
<FONT color="green">779</FONT>                   // empty string as "".<a name="line.779"></a>
<FONT color="green">780</FONT>                } else if (val instanceof StringValue) {<a name="line.780"></a>
<FONT color="green">781</FONT>                   String s=(String) ((StringValue)val).getPersistentValue();<a name="line.781"></a>
<FONT color="green">782</FONT>                   w.write("\""+s+"\"\n");<a name="line.782"></a>
<FONT color="green">783</FONT>                } else if (val instanceof EProperties) {<a name="line.783"></a>
<FONT color="green">784</FONT>                   EProperties pval=(EProperties)val;<a name="line.784"></a>
<FONT color="green">785</FONT>                   <a name="line.785"></a>
<FONT color="green">786</FONT>                   if (pval.includeURL != null) {<a name="line.786"></a>
<FONT color="green">787</FONT>                      // these properties were included.<a name="line.787"></a>
<FONT color="green">788</FONT>                      w.write("["+pval.includeURL+"]\n");<a name="line.788"></a>
<FONT color="green">789</FONT>                   } else {<a name="line.789"></a>
<FONT color="green">790</FONT>                      w.write("{\n");<a name="line.790"></a>
<FONT color="green">791</FONT>                      pval.save(w, indent+1);<a name="line.791"></a>
<FONT color="green">792</FONT>                      w.write(pad+"}\n");<a name="line.792"></a>
<FONT color="green">793</FONT>                   }<a name="line.793"></a>
<FONT color="green">794</FONT>                } else if (val instanceof ListValue) {<a name="line.794"></a>
<FONT color="green">795</FONT>                   List list=(List)((ListValue)val).getPersistentValue();<a name="line.795"></a>
<FONT color="green">796</FONT>                   <a name="line.796"></a>
<FONT color="green">797</FONT>                   if (list.size() == 0) {<a name="line.797"></a>
<FONT color="green">798</FONT>                      w.write("( )\n");<a name="line.798"></a>
<FONT color="green">799</FONT>                   } else {<a name="line.799"></a>
<FONT color="green">800</FONT>                      <a name="line.800"></a>
<FONT color="green">801</FONT>                      String keypad=pad(key.toString().length()+2, " ");<a name="line.801"></a>
<FONT color="green">802</FONT>                      w.write("(");<a name="line.802"></a>
<FONT color="green">803</FONT>                      int lsize=list.size();<a name="line.803"></a>
<FONT color="green">804</FONT>                      for (int j=0; j&lt;lsize; j++) {<a name="line.804"></a>
<FONT color="green">805</FONT>                         w.write("\""+list.get(j)+"\"");<a name="line.805"></a>
<FONT color="green">806</FONT>                         <a name="line.806"></a>
<FONT color="green">807</FONT>                         if (j == lsize-1) // last element<a name="line.807"></a>
<FONT color="green">808</FONT>                            w.write(")\n");<a name="line.808"></a>
<FONT color="green">809</FONT>                         else <a name="line.809"></a>
<FONT color="green">810</FONT>                            w.write(", \n"+pad+keypad);<a name="line.810"></a>
<FONT color="green">811</FONT>                      }<a name="line.811"></a>
<FONT color="green">812</FONT>                   }<a name="line.812"></a>
<FONT color="green">813</FONT>                } else {<a name="line.813"></a>
<FONT color="green">814</FONT>                   log.error("What kind of value?? "+val.getClass().getName());<a name="line.814"></a>
<FONT color="green">815</FONT>                }<a name="line.815"></a>
<FONT color="green">816</FONT>                <a name="line.816"></a>
<FONT color="green">817</FONT>                // append this newline for whitespace readability<a name="line.817"></a>
<FONT color="green">818</FONT>                if (i != size-1)<a name="line.818"></a>
<FONT color="green">819</FONT>                   w.write("\n");<a name="line.819"></a>
<FONT color="green">820</FONT>             }<a name="line.820"></a>
<FONT color="green">821</FONT>             // end of the for loop.<a name="line.821"></a>
<FONT color="green">822</FONT>          } finally {<a name="line.822"></a>
<FONT color="green">823</FONT>             if (w != null)<a name="line.823"></a>
<FONT color="green">824</FONT>                w.flush();<a name="line.824"></a>
<FONT color="green">825</FONT>          }<a name="line.825"></a>
<FONT color="green">826</FONT>       }<a name="line.826"></a>
<FONT color="green">827</FONT>       <a name="line.827"></a>
<FONT color="green">828</FONT>       /** */<a name="line.828"></a>
<FONT color="green">829</FONT>       public void save(String filename) <a name="line.829"></a>
<FONT color="green">830</FONT>          throws IOException {<a name="line.830"></a>
<FONT color="green">831</FONT>          save(new FileOutputStream(filename));<a name="line.831"></a>
<FONT color="green">832</FONT>       }<a name="line.832"></a>
<FONT color="green">833</FONT>       <a name="line.833"></a>
<FONT color="green">834</FONT>       private static final String pad(int pad, String padChar) {<a name="line.834"></a>
<FONT color="green">835</FONT>          StringBuilder sb=new StringBuilder();<a name="line.835"></a>
<FONT color="green">836</FONT>          for (int i=0; i&lt;pad; i++) {<a name="line.836"></a>
<FONT color="green">837</FONT>             sb.append(padChar);<a name="line.837"></a>
<FONT color="green">838</FONT>          }<a name="line.838"></a>
<FONT color="green">839</FONT>          return sb.toString();<a name="line.839"></a>
<FONT color="green">840</FONT>       }<a name="line.840"></a>
<FONT color="green">841</FONT>       <a name="line.841"></a>
<FONT color="green">842</FONT>       /////////////////////////   Convience Put Methods  ////////////////////<a name="line.842"></a>
<FONT color="green">843</FONT>       /** */<a name="line.843"></a>
<FONT color="green">844</FONT>       public void putBoolean(String key, boolean value) {<a name="line.844"></a>
<FONT color="green">845</FONT>          String val = null;<a name="line.845"></a>
<FONT color="green">846</FONT>          if (value)<a name="line.846"></a>
<FONT color="green">847</FONT>             val = "true";<a name="line.847"></a>
<FONT color="green">848</FONT>          else<a name="line.848"></a>
<FONT color="green">849</FONT>             val = "false";<a name="line.849"></a>
<FONT color="green">850</FONT>          put(key, val);<a name="line.850"></a>
<FONT color="green">851</FONT>       }<a name="line.851"></a>
<FONT color="green">852</FONT>    <a name="line.852"></a>
<FONT color="green">853</FONT>       /** */<a name="line.853"></a>
<FONT color="green">854</FONT>       public void putInt(String key, int i) {<a name="line.854"></a>
<FONT color="green">855</FONT>          String val = "" + i;<a name="line.855"></a>
<FONT color="green">856</FONT>          put(key, val);<a name="line.856"></a>
<FONT color="green">857</FONT>       }<a name="line.857"></a>
<FONT color="green">858</FONT>    <a name="line.858"></a>
<FONT color="green">859</FONT>       /** */<a name="line.859"></a>
<FONT color="green">860</FONT>       public void putLong(String key, long l) {<a name="line.860"></a>
<FONT color="green">861</FONT>          String val = "" + l;<a name="line.861"></a>
<FONT color="green">862</FONT>          put(key, val);<a name="line.862"></a>
<FONT color="green">863</FONT>       }<a name="line.863"></a>
<FONT color="green">864</FONT>       <a name="line.864"></a>
<FONT color="green">865</FONT>       @Override<a name="line.865"></a>
<FONT color="green">866</FONT>       public Object setProperty(String k, String v) {<a name="line.866"></a>
<FONT color="green">867</FONT>          return put(k, v);<a name="line.867"></a>
<FONT color="green">868</FONT>       }<a name="line.868"></a>
<FONT color="green">869</FONT>       <a name="line.869"></a>
<FONT color="green">870</FONT>       /////////////////////////  Token Substitution  /////////////////////////<a name="line.870"></a>
<FONT color="green">871</FONT>       /**<a name="line.871"></a>
<FONT color="green">872</FONT>        * This method will search up a tree of EProoperties objects, looking for <a name="line.872"></a>
<FONT color="green">873</FONT>        * a match.  It will return the first match.<a name="line.873"></a>
<FONT color="green">874</FONT>        * <a name="line.874"></a>
<FONT color="green">875</FONT>        * @param s<a name="line.875"></a>
<FONT color="green">876</FONT>        * @return<a name="line.876"></a>
<FONT color="green">877</FONT>        */<a name="line.877"></a>
<FONT color="green">878</FONT>       public String findProperty(String s) {<a name="line.878"></a>
<FONT color="green">879</FONT>          String val=getString(s, null);<a name="line.879"></a>
<FONT color="green">880</FONT>          log.debug("findProperty(): Path='"+getPath()+"', "+s+"="+val);<a name="line.880"></a>
<FONT color="green">881</FONT>                <a name="line.881"></a>
<FONT color="green">882</FONT>          if (val != null)<a name="line.882"></a>
<FONT color="green">883</FONT>             return val;<a name="line.883"></a>
<FONT color="green">884</FONT>          else {<a name="line.884"></a>
<FONT color="green">885</FONT>             if (parent != null) {<a name="line.885"></a>
<FONT color="green">886</FONT>                return parent.findProperty(s);<a name="line.886"></a>
<FONT color="green">887</FONT>             } else {<a name="line.887"></a>
<FONT color="green">888</FONT>                log.debug("findProperty(): parent is null at Path='"+getPath()+"'");<a name="line.888"></a>
<FONT color="green">889</FONT>             }<a name="line.889"></a>
<FONT color="green">890</FONT>          }<a name="line.890"></a>
<FONT color="green">891</FONT>          <a name="line.891"></a>
<FONT color="green">892</FONT>          return val;<a name="line.892"></a>
<FONT color="green">893</FONT>       }<a name="line.893"></a>
<FONT color="green">894</FONT>       <a name="line.894"></a>
<FONT color="green">895</FONT>       /**<a name="line.895"></a>
<FONT color="green">896</FONT>        * This method will search up a tree of EProoperties objects, looking for <a name="line.896"></a>
<FONT color="green">897</FONT>        * a match.  It will return the first match.<a name="line.897"></a>
<FONT color="green">898</FONT>        * <a name="line.898"></a>
<FONT color="green">899</FONT>        * @param s<a name="line.899"></a>
<FONT color="green">900</FONT>        * @return<a name="line.900"></a>
<FONT color="green">901</FONT>        */<a name="line.901"></a>
<FONT color="green">902</FONT>       public Object findValue(String s) {<a name="line.902"></a>
<FONT color="green">903</FONT>          Object val=get(s, null);<a name="line.903"></a>
<FONT color="green">904</FONT>          log.debug("findValue(): Path='"+getPath()+"', "+s+"="+val);<a name="line.904"></a>
<FONT color="green">905</FONT>                <a name="line.905"></a>
<FONT color="green">906</FONT>          if (val != null)<a name="line.906"></a>
<FONT color="green">907</FONT>             return val;<a name="line.907"></a>
<FONT color="green">908</FONT>          else {<a name="line.908"></a>
<FONT color="green">909</FONT>             if (parent != null) {<a name="line.909"></a>
<FONT color="green">910</FONT>                return parent.findValue(s);<a name="line.910"></a>
<FONT color="green">911</FONT>             } else {<a name="line.911"></a>
<FONT color="green">912</FONT>                log.debug("findValue(): parent is null at Path='"+getPath()+"'");<a name="line.912"></a>
<FONT color="green">913</FONT>             }<a name="line.913"></a>
<FONT color="green">914</FONT>          }<a name="line.914"></a>
<FONT color="green">915</FONT>          <a name="line.915"></a>
<FONT color="green">916</FONT>          return val;<a name="line.916"></a>
<FONT color="green">917</FONT>       }<a name="line.917"></a>
<FONT color="green">918</FONT>       <a name="line.918"></a>
<FONT color="green">919</FONT>       // /////////////////////// Accessor Methods ///////////////////////////<a name="line.919"></a>
<FONT color="green">920</FONT>       public EProperties getProperties(Key key) {<a name="line.920"></a>
<FONT color="green">921</FONT>          return getProperties(key.toString());<a name="line.921"></a>
<FONT color="green">922</FONT>       }<a name="line.922"></a>
<FONT color="green">923</FONT>    <a name="line.923"></a>
<FONT color="green">924</FONT>       private Object getWithComplexKey(String key) {<a name="line.924"></a>
<FONT color="green">925</FONT>          // a complex key uses a pointer syntax find properties<a name="line.925"></a>
<FONT color="green">926</FONT>          // deeper in a structure.<a name="line.926"></a>
<FONT color="green">927</FONT>          // for instance:<a name="line.927"></a>
<FONT color="green">928</FONT>          // String s=(String)get("system-&gt;user.home");<a name="line.928"></a>
<FONT color="green">929</FONT>          // is equivalent to<a name="line.929"></a>
<FONT color="green">930</FONT>          // String s=(String)getProperties("system").get("user.home");<a name="line.930"></a>
<FONT color="green">931</FONT>          //<a name="line.931"></a>
<FONT color="green">932</FONT>          // Which brings up the issue of error handling. What if one of the<a name="line.932"></a>
<FONT color="green">933</FONT>          // indirections returns a null nested property object!!<a name="line.933"></a>
<FONT color="green">934</FONT>          // At that we will throw.<a name="line.934"></a>
<FONT color="green">935</FONT>          //<a name="line.935"></a>
<FONT color="green">936</FONT>          // The final key can return any type of object (String, Vector,<a name="line.936"></a>
<FONT color="green">937</FONT>          // Properties),<a name="line.937"></a>
<FONT color="green">938</FONT>          // however all of the initial keys must return a nested EProperties<a name="line.938"></a>
<FONT color="green">939</FONT>          // object. If they do not, then it is a runtime exception...<a name="line.939"></a>
<FONT color="green">940</FONT>          String keys[] = key.split("\\-\\&gt;");<a name="line.940"></a>
<FONT color="green">941</FONT>          <a name="line.941"></a>
<FONT color="green">942</FONT>          log.debug ("getComplexKey(): "+Arrays.asList(keys));<a name="line.942"></a>
<FONT color="green">943</FONT>          <a name="line.943"></a>
<FONT color="green">944</FONT>          EProperties next = this;<a name="line.944"></a>
<FONT color="green">945</FONT>          String currentPath = "";<a name="line.945"></a>
<FONT color="green">946</FONT>          <a name="line.946"></a>
<FONT color="green">947</FONT>          //StringBuilder path=new StringBuilder();<a name="line.947"></a>
<FONT color="green">948</FONT>          <a name="line.948"></a>
<FONT color="green">949</FONT>          for (int i = 0; i &lt; keys.length - 1; i++) {<a name="line.949"></a>
<FONT color="green">950</FONT>             <a name="line.950"></a>
<FONT color="green">951</FONT>             // currentPath is used for debugging.<a name="line.951"></a>
<FONT color="green">952</FONT>             if (currentPath.equals(""))<a name="line.952"></a>
<FONT color="green">953</FONT>                currentPath = keys[i];<a name="line.953"></a>
<FONT color="green">954</FONT>             else<a name="line.954"></a>
<FONT color="green">955</FONT>                currentPath = currentPath + "-&gt;" + keys[i];<a name="line.955"></a>
<FONT color="green">956</FONT>             <a name="line.956"></a>
<FONT color="green">957</FONT>    //         System.out.println ("getComplexKey(): i="+i+", keys[i]="+<a name="line.957"></a>
<FONT color="green">958</FONT>    //         keys[i]+" currentPath='"+currentPath+"'");<a name="line.958"></a>
<FONT color="green">959</FONT>            <a name="line.959"></a>
<FONT color="green">960</FONT>             <a name="line.960"></a>
<FONT color="green">961</FONT>             // next=next.getProperties(keys[i]);<a name="line.961"></a>
<FONT color="green">962</FONT>             Object nextTarget = next.get(keys[i]);<a name="line.962"></a>
<FONT color="green">963</FONT>             <a name="line.963"></a>
<FONT color="green">964</FONT>    //         if (debug)<a name="line.964"></a>
<FONT color="green">965</FONT>    //            System.out.println ("getComplexKey(): nextTarget is "+<a name="line.965"></a>
<FONT color="green">966</FONT>    //               (nextTarget == null? "null":nextTarget.getClass().getName()));<a name="line.966"></a>
<FONT color="green">967</FONT>             <a name="line.967"></a>
<FONT color="green">968</FONT>             if (nextTarget == null) {<a name="line.968"></a>
<FONT color="green">969</FONT>    //            if (debug)<a name="line.969"></a>
<FONT color="green">970</FONT>    //               System.out.println("getComplexKey(): [" + key<a name="line.970"></a>
<FONT color="green">971</FONT>    //                     + "]: Returning null because object at path "<a name="line.971"></a>
<FONT color="green">972</FONT>    //                     + currentPath + "==null)");<a name="line.972"></a>
<FONT color="green">973</FONT>                return null;<a name="line.973"></a>
<FONT color="green">974</FONT>             } else if (nextTarget instanceof EProperties) {<a name="line.974"></a>
<FONT color="green">975</FONT>                next = (EProperties) nextTarget;<a name="line.975"></a>
<FONT color="green">976</FONT>             } else {<a name="line.976"></a>
<FONT color="green">977</FONT>                // it is not an EProperties object!<a name="line.977"></a>
<FONT color="green">978</FONT>    //            if (debug)<a name="line.978"></a>
<FONT color="green">979</FONT>    //               System.out.println("getComplexKey(): [" + key<a name="line.979"></a>
<FONT color="green">980</FONT>    //                     + "]: Returning null because object at path "<a name="line.980"></a>
<FONT color="green">981</FONT>    //                     + currentPath + " is not EProperties, it is "<a name="line.981"></a>
<FONT color="green">982</FONT>    //                     + nextTarget.getClass().getName());<a name="line.982"></a>
<FONT color="green">983</FONT>                return null;<a name="line.983"></a>
<FONT color="green">984</FONT>             }<a name="line.984"></a>
<FONT color="green">985</FONT>          }<a name="line.985"></a>
<FONT color="green">986</FONT>          // here, we are pointed at the correct eproperties object.<a name="line.986"></a>
<FONT color="green">987</FONT>          return next.get(keys[keys.length-1]);<a name="line.987"></a>
<FONT color="green">988</FONT>       }<a name="line.988"></a>
<FONT color="green">989</FONT>    <a name="line.989"></a>
<FONT color="green">990</FONT>       /** */<a name="line.990"></a>
<FONT color="green">991</FONT>       @Override<a name="line.991"></a>
<FONT color="green">992</FONT>       public String getProperty(String key) {<a name="line.992"></a>
<FONT color="green">993</FONT>          return getProperty(key, null);<a name="line.993"></a>
<FONT color="green">994</FONT>       }<a name="line.994"></a>
<FONT color="green">995</FONT>    <a name="line.995"></a>
<FONT color="green">996</FONT>       /** */<a name="line.996"></a>
<FONT color="green">997</FONT>       @Override<a name="line.997"></a>
<FONT color="green">998</FONT>       public String getProperty(String key, String def) {<a name="line.998"></a>
<FONT color="green">999</FONT>          Object val = get(key);<a name="line.999"></a>
<FONT color="green">1000</FONT>          <a name="line.1000"></a>
<FONT color="green">1001</FONT>          if (val == null)<a name="line.1001"></a>
<FONT color="green">1002</FONT>             return def;<a name="line.1002"></a>
<FONT color="green">1003</FONT>          if (val instanceof String)<a name="line.1003"></a>
<FONT color="green">1004</FONT>             return (String)val;<a name="line.1004"></a>
<FONT color="green">1005</FONT>          else<a name="line.1005"></a>
<FONT color="green">1006</FONT>             return def;<a name="line.1006"></a>
<FONT color="green">1007</FONT>       }<a name="line.1007"></a>
<FONT color="green">1008</FONT>    <a name="line.1008"></a>
<FONT color="green">1009</FONT>       /** */<a name="line.1009"></a>
<FONT color="green">1010</FONT>       public String getString(String key) {<a name="line.1010"></a>
<FONT color="green">1011</FONT>          return getProperty(key);<a name="line.1011"></a>
<FONT color="green">1012</FONT>       }<a name="line.1012"></a>
<FONT color="green">1013</FONT>    <a name="line.1013"></a>
<FONT color="green">1014</FONT>       /** */<a name="line.1014"></a>
<FONT color="green">1015</FONT>       public String getString(String key, String def) {<a name="line.1015"></a>
<FONT color="green">1016</FONT>          return getProperty(key, def);<a name="line.1016"></a>
<FONT color="green">1017</FONT>       }<a name="line.1017"></a>
<FONT color="green">1018</FONT>    <a name="line.1018"></a>
<FONT color="green">1019</FONT>       /** */<a name="line.1019"></a>
<FONT color="green">1020</FONT>       public List&lt;String&gt; getList(String key) {<a name="line.1020"></a>
<FONT color="green">1021</FONT>          Object val = get(key);<a name="line.1021"></a>
<FONT color="green">1022</FONT>          if (val == null)<a name="line.1022"></a>
<FONT color="green">1023</FONT>             return null;<a name="line.1023"></a>
<FONT color="green">1024</FONT>          if (val instanceof List)<a name="line.1024"></a>
<FONT color="green">1025</FONT>             return (List&lt;String&gt;)val;<a name="line.1025"></a>
<FONT color="green">1026</FONT>          return null;<a name="line.1026"></a>
<FONT color="green">1027</FONT>       }<a name="line.1027"></a>
<FONT color="green">1028</FONT>    <a name="line.1028"></a>
<FONT color="green">1029</FONT>    <a name="line.1029"></a>
<FONT color="green">1030</FONT>       /** */<a name="line.1030"></a>
<FONT color="green">1031</FONT>       public EProperties getProperties(String key) {<a name="line.1031"></a>
<FONT color="green">1032</FONT>          Object val = get(key);<a name="line.1032"></a>
<FONT color="green">1033</FONT>          if (val == null)<a name="line.1033"></a>
<FONT color="green">1034</FONT>             return null;<a name="line.1034"></a>
<FONT color="green">1035</FONT>    <a name="line.1035"></a>
<FONT color="green">1036</FONT>          if (val instanceof EProperties)<a name="line.1036"></a>
<FONT color="green">1037</FONT>             return (EProperties) val;<a name="line.1037"></a>
<FONT color="green">1038</FONT>          else<a name="line.1038"></a>
<FONT color="green">1039</FONT>             return null;<a name="line.1039"></a>
<FONT color="green">1040</FONT>       }<a name="line.1040"></a>
<FONT color="green">1041</FONT>    <a name="line.1041"></a>
<FONT color="green">1042</FONT>       /** */<a name="line.1042"></a>
<FONT color="green">1043</FONT>       public boolean getBoolean(String key) {<a name="line.1043"></a>
<FONT color="green">1044</FONT>          return getBoolean(key, false);<a name="line.1044"></a>
<FONT color="green">1045</FONT>       }<a name="line.1045"></a>
<FONT color="green">1046</FONT>    <a name="line.1046"></a>
<FONT color="green">1047</FONT>       /** Boolean is a string.  If the string starts with [t | T] then <a name="line.1047"></a>
<FONT color="green">1048</FONT>        * this method returns true.  Otherwise, it returns false.  */<a name="line.1048"></a>
<FONT color="green">1049</FONT>       public boolean getBoolean(String key, boolean def) {<a name="line.1049"></a>
<FONT color="green">1050</FONT>          Object val = get(key);<a name="line.1050"></a>
<FONT color="green">1051</FONT>          <a name="line.1051"></a>
<FONT color="green">1052</FONT>          if (val == null)<a name="line.1052"></a>
<FONT color="green">1053</FONT>             return def;<a name="line.1053"></a>
<FONT color="green">1054</FONT>          if (val instanceof String) {<a name="line.1054"></a>
<FONT color="green">1055</FONT>             String s = (String) val;<a name="line.1055"></a>
<FONT color="green">1056</FONT>             s=s.toLowerCase().trim();<a name="line.1056"></a>
<FONT color="green">1057</FONT>             if (s.startsWith("t"))<a name="line.1057"></a>
<FONT color="green">1058</FONT>                return true;<a name="line.1058"></a>
<FONT color="green">1059</FONT>             else<a name="line.1059"></a>
<FONT color="green">1060</FONT>                return false;<a name="line.1060"></a>
<FONT color="green">1061</FONT>          } else<a name="line.1061"></a>
<FONT color="green">1062</FONT>             return def;<a name="line.1062"></a>
<FONT color="green">1063</FONT>       }<a name="line.1063"></a>
<FONT color="green">1064</FONT>    <a name="line.1064"></a>
<FONT color="green">1065</FONT>       /** */<a name="line.1065"></a>
<FONT color="green">1066</FONT>       public int getInt(String key) {<a name="line.1066"></a>
<FONT color="green">1067</FONT>          return getInt(key, -1);<a name="line.1067"></a>
<FONT color="green">1068</FONT>       }<a name="line.1068"></a>
<FONT color="green">1069</FONT>    <a name="line.1069"></a>
<FONT color="green">1070</FONT>       /** */<a name="line.1070"></a>
<FONT color="green">1071</FONT>       public int getInt(String key, int def) {<a name="line.1071"></a>
<FONT color="green">1072</FONT>          Object val = get(key);<a name="line.1072"></a>
<FONT color="green">1073</FONT>          if (val == null) {<a name="line.1073"></a>
<FONT color="green">1074</FONT>             return def;<a name="line.1074"></a>
<FONT color="green">1075</FONT>          }<a name="line.1075"></a>
<FONT color="green">1076</FONT>          if (val instanceof String) {<a name="line.1076"></a>
<FONT color="green">1077</FONT>             String s = (String)val;<a name="line.1077"></a>
<FONT color="green">1078</FONT>             try {<a name="line.1078"></a>
<FONT color="green">1079</FONT>                return Integer.parseInt(s.trim());<a name="line.1079"></a>
<FONT color="green">1080</FONT>             } catch (NumberFormatException ex) {<a name="line.1080"></a>
<FONT color="green">1081</FONT>                log.error("Cannot parse int from '" + s.trim()<a name="line.1081"></a>
<FONT color="green">1082</FONT>                      + "', returning default of " + def);<a name="line.1082"></a>
<FONT color="green">1083</FONT>                return def;<a name="line.1083"></a>
<FONT color="green">1084</FONT>             }<a name="line.1084"></a>
<FONT color="green">1085</FONT>          } else<a name="line.1085"></a>
<FONT color="green">1086</FONT>             return def;<a name="line.1086"></a>
<FONT color="green">1087</FONT>       }<a name="line.1087"></a>
<FONT color="green">1088</FONT>    <a name="line.1088"></a>
<FONT color="green">1089</FONT>       /** */<a name="line.1089"></a>
<FONT color="green">1090</FONT>       public long getLong(String key) {<a name="line.1090"></a>
<FONT color="green">1091</FONT>          return getLong(key, -1);<a name="line.1091"></a>
<FONT color="green">1092</FONT>       }<a name="line.1092"></a>
<FONT color="green">1093</FONT>    <a name="line.1093"></a>
<FONT color="green">1094</FONT>       /** */<a name="line.1094"></a>
<FONT color="green">1095</FONT>       public long getLong(String key, long def) {<a name="line.1095"></a>
<FONT color="green">1096</FONT>          Object val = get(key);<a name="line.1096"></a>
<FONT color="green">1097</FONT>          if (val == null)<a name="line.1097"></a>
<FONT color="green">1098</FONT>             return def;<a name="line.1098"></a>
<FONT color="green">1099</FONT>          if (val instanceof String) {<a name="line.1099"></a>
<FONT color="green">1100</FONT>             String s = (String)val;<a name="line.1100"></a>
<FONT color="green">1101</FONT>             try {<a name="line.1101"></a>
<FONT color="green">1102</FONT>                return Long.parseLong(s.trim());<a name="line.1102"></a>
<FONT color="green">1103</FONT>             } catch (NumberFormatException ex) {<a name="line.1103"></a>
<FONT color="green">1104</FONT>                log.error("Cannot parse long from " + s.trim()<a name="line.1104"></a>
<FONT color="green">1105</FONT>                      + ", returning default of " + def);<a name="line.1105"></a>
<FONT color="green">1106</FONT>                return def;<a name="line.1106"></a>
<FONT color="green">1107</FONT>             }<a name="line.1107"></a>
<FONT color="green">1108</FONT>          } else<a name="line.1108"></a>
<FONT color="green">1109</FONT>             return def;<a name="line.1109"></a>
<FONT color="green">1110</FONT>       }<a name="line.1110"></a>
<FONT color="green">1111</FONT>    <a name="line.1111"></a>
<FONT color="green">1112</FONT>       /** */<a name="line.1112"></a>
<FONT color="green">1113</FONT>       public float getFloat(String key) {<a name="line.1113"></a>
<FONT color="green">1114</FONT>          return getFloat(key, 0.0f);<a name="line.1114"></a>
<FONT color="green">1115</FONT>       }<a name="line.1115"></a>
<FONT color="green">1116</FONT>    <a name="line.1116"></a>
<FONT color="green">1117</FONT>       /** */<a name="line.1117"></a>
<FONT color="green">1118</FONT>       public float getFloat(String key, float def) {<a name="line.1118"></a>
<FONT color="green">1119</FONT>          Object val = get(key);<a name="line.1119"></a>
<FONT color="green">1120</FONT>          if (val == null) {<a name="line.1120"></a>
<FONT color="green">1121</FONT>             return def;<a name="line.1121"></a>
<FONT color="green">1122</FONT>          }<a name="line.1122"></a>
<FONT color="green">1123</FONT>          if (val instanceof String) {<a name="line.1123"></a>
<FONT color="green">1124</FONT>             String s = (String) val;<a name="line.1124"></a>
<FONT color="green">1125</FONT>             try {<a name="line.1125"></a>
<FONT color="green">1126</FONT>                return Float.parseFloat(s.trim());<a name="line.1126"></a>
<FONT color="green">1127</FONT>             } catch (NumberFormatException ex) {<a name="line.1127"></a>
<FONT color="green">1128</FONT>                log.error("Cannot parse float from '" + s.trim()<a name="line.1128"></a>
<FONT color="green">1129</FONT>                      + "', returning default of " + def);<a name="line.1129"></a>
<FONT color="green">1130</FONT>                return def;<a name="line.1130"></a>
<FONT color="green">1131</FONT>             }<a name="line.1131"></a>
<FONT color="green">1132</FONT>          } else<a name="line.1132"></a>
<FONT color="green">1133</FONT>             return def;<a name="line.1133"></a>
<FONT color="green">1134</FONT>       }<a name="line.1134"></a>
<FONT color="green">1135</FONT>    <a name="line.1135"></a>
<FONT color="green">1136</FONT>       /** */<a name="line.1136"></a>
<FONT color="green">1137</FONT>       public double getDouble(String key) {<a name="line.1137"></a>
<FONT color="green">1138</FONT>          return getDouble(key, 0.0f);<a name="line.1138"></a>
<FONT color="green">1139</FONT>       }<a name="line.1139"></a>
<FONT color="green">1140</FONT>    <a name="line.1140"></a>
<FONT color="green">1141</FONT>       /** */<a name="line.1141"></a>
<FONT color="green">1142</FONT>       public double getDouble(String key, double def) {<a name="line.1142"></a>
<FONT color="green">1143</FONT>          Object val = get(key);<a name="line.1143"></a>
<FONT color="green">1144</FONT>          if (val == null) {<a name="line.1144"></a>
<FONT color="green">1145</FONT>             return def;<a name="line.1145"></a>
<FONT color="green">1146</FONT>          }<a name="line.1146"></a>
<FONT color="green">1147</FONT>          if (val instanceof String) {<a name="line.1147"></a>
<FONT color="green">1148</FONT>             String s = (String) val;<a name="line.1148"></a>
<FONT color="green">1149</FONT>             try {<a name="line.1149"></a>
<FONT color="green">1150</FONT>                return Double.parseDouble(s.trim());<a name="line.1150"></a>
<FONT color="green">1151</FONT>             } catch (NumberFormatException ex) {<a name="line.1151"></a>
<FONT color="green">1152</FONT>                log.error("Cannot parse double from '" + s.trim()<a name="line.1152"></a>
<FONT color="green">1153</FONT>                      + "', returning default of " + def);<a name="line.1153"></a>
<FONT color="green">1154</FONT>                return def;<a name="line.1154"></a>
<FONT color="green">1155</FONT>             }<a name="line.1155"></a>
<FONT color="green">1156</FONT>          } else<a name="line.1156"></a>
<FONT color="green">1157</FONT>             return def;<a name="line.1157"></a>
<FONT color="green">1158</FONT>       }<a name="line.1158"></a>
<FONT color="green">1159</FONT>    <a name="line.1159"></a>
<FONT color="green">1160</FONT>       // ///////////////////// Listener Infrastructure //////////////////////<a name="line.1160"></a>
<FONT color="green">1161</FONT>       /** */<a name="line.1161"></a>
<FONT color="green">1162</FONT>       public void addListener(PropertyListener listener) {<a name="line.1162"></a>
<FONT color="green">1163</FONT>          if (listeners == null)<a name="line.1163"></a>
<FONT color="green">1164</FONT>             listeners = new ArrayList&lt;PropertyListener&gt;();<a name="line.1164"></a>
<FONT color="green">1165</FONT>          listeners.remove(listener); // prevent duplicates<a name="line.1165"></a>
<FONT color="green">1166</FONT>          listeners.add(listener);<a name="line.1166"></a>
<FONT color="green">1167</FONT>       }<a name="line.1167"></a>
<FONT color="green">1168</FONT>    <a name="line.1168"></a>
<FONT color="green">1169</FONT>       /** */<a name="line.1169"></a>
<FONT color="green">1170</FONT>       public void removeListener(PropertyListener obs) {<a name="line.1170"></a>
<FONT color="green">1171</FONT>          if (listeners != null)<a name="line.1171"></a>
<FONT color="green">1172</FONT>             listeners.remove(obs);<a name="line.1172"></a>
<FONT color="green">1173</FONT>       }<a name="line.1173"></a>
<FONT color="green">1174</FONT>    <a name="line.1174"></a>
<FONT color="green">1175</FONT>       /** */<a name="line.1175"></a>
<FONT color="green">1176</FONT>       void notifyListeners(Key key, Object value) {<a name="line.1176"></a>
<FONT color="green">1177</FONT>          if (listeners == null)<a name="line.1177"></a>
<FONT color="green">1178</FONT>             return;<a name="line.1178"></a>
<FONT color="green">1179</FONT>    <a name="line.1179"></a>
<FONT color="green">1180</FONT>          // generate the event<a name="line.1180"></a>
<FONT color="green">1181</FONT>          PropertyChangeEvent evt = new PropertyChangeEvent(key, value);<a name="line.1181"></a>
<FONT color="green">1182</FONT>    <a name="line.1182"></a>
<FONT color="green">1183</FONT>          for (int i = 0; i &lt; listeners.size(); i++) {<a name="line.1183"></a>
<FONT color="green">1184</FONT>             PropertyListener obs = listeners.get(i);<a name="line.1184"></a>
<FONT color="green">1185</FONT>             obs.propertyChange(evt);<a name="line.1185"></a>
<FONT color="green">1186</FONT>          }<a name="line.1186"></a>
<FONT color="green">1187</FONT>       }<a name="line.1187"></a>
<FONT color="green">1188</FONT>    }<a name="line.1188"></a>




























































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